Spillville, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Spillville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers22%0.06″84°69°—
- SundayJul 5Light Drizzle12%0.02″80°67°-4°
- MondayJul 6Overcast——79°64°-1°
- TuesdayJul 7Overcast——81°63°+2°
- WednesdayJul 8T-storm w/ Hail39%0.01″79°66°-2°
- ThursdayJul 9Overcast45%—77°63°-2°
- FridayJul 10Light Drizzle10%—78°62°+1°
AQI 43 (Good), driven by PM2.5. AQI up 8 over the last 6 hours (gradual rise). PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.76 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43. Overcast through the UV peak window (cloud cover ~75%) — afternoon ozone should stay flat.
- Present
- AQI 43
- UV peak
- 6.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 9.1 µg/m³ (AQI 51) with a 0.76 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.76
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:07 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Spillville at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52168
16-Day Forecast — Spillville
- Sat84°69°22%
- Sun80°67°12%
- Mon79°64°2%
- Tue81°63°7%
- Wed79°66°39%
- Thu77°63°45%
- Fri78°62°10%
- Sat74°60°10%
- Sun76°55°9%
- Mon77°57°7%
- Tue80°61°4%
- Wed77°60°13%
- Thu81°64°13%
- Fri81°63°23%
- Sat70°60°16%
- Sun75°58°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Spillville
SPC includes Spillville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Spillville
- 52168
- 52132